Study in Contrasts
Echus Chasma, a region north of Mars’ Valles Marineris canyons, shows curving patterns of light and dark. The area shown was flooded by lava flows, producing rough and smooth surfaces that collected bright dust differently.
Feed your need for heavenly views of the universe. This week, ancient geologic scars crisscross Mars’ surface, Pluto’s floating mountains get a close-up, and scientists survey the aftermath of a gruesome galactic collision.